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UPSC CSE 2026 Prelims —
Complete Subject-wise Paper Analysis
A detailed, question-by-question breakdown of GS Paper 1 — weightage, themes, difficulty, and what aspirants should learn from this year's paper.
The UPSC Civil Services Preliminary Examination 2026 was conducted today, and at EKAM IAS Academy our faculty has carefully decoded every question of General Studies Paper 1. The paper continued UPSC’s recent trend of blending conceptual depth with contemporary current affairs, while heavily rewarding aspirants who studied NCERT fundamentals alongside the previous two years of events.
Below is our subject-wise weightage chart, chapter-wise breakdown of important questions, difficulty assessment, and the strategy takeaways your 2027 preparation must absorb.
Subject-wise Weightage (GS Paper 1)
History & Art/Culture - 19 Questions
Ancient History (8Qs)
| Q. No | Topic | Chapter |
|---|---|---|
| Q1 | Pleistocene river drainage (Yamuna–Indus–Sutlej shifts); Nadi-Sukta of Rigveda; Robert Bruce Foote | Geo-historical / Vedic geography |
| Q2 | Empty seat in early Buddhist iconography (Mahaparinibbana) | Buddhist Art & Symbolism |
| Q4 | Amaravati Stupa — Lower Krishna Valley; South-East Asia influence | Schools of Sculpture (Amaravati school) |
| Q5 | Tamilakam dynasties — Senguttuvan/Chera, Udiyanjeral/Chola, Nedunjeliyan/Pandya | Sangam Age |
| Q10 | Kshetra-patni term — Ashtadhyayi (Panini) | Sanskrit Texts |
| Q13 | Pali texts — coins (kahapana, nikkha, kamsa, kakanika); punch-marked silver coins | NBPW / Second Urbanisation / Numismatics |
| Q15 | Jain 4 forms of existence — Deva, Yaksha, Manushya, Tiryancha | Jainism Philosophy |
| Q18 | Harappan findings — spindle-whorls, weights, baked-brick houses | IVC / Harappan Civilization |
| Q20 | Rigvedic agriculture — wells (ashma chakra), parashu, kulisha, datra, sreni | Rigvedic Society & Economy |
Modern History — Freedom Struggle (7 Qs)
| Q. No | Topic | Chapter |
|---|---|---|
| Q9 | Pandit Mallikarjun Mansur — Jaipur-Atrauli Gharana | Hindustani Classical Music |
| Q11 | Carnatic Raga similar to Raga Bilawal — Dheera Shankarabharanam | Carnatic Music |
| Q14 | Nagara-style shikhara temples — Dashavatara (Deogarh) only; Malegitti/Huchimalligudi/Virupaksha are Dravida | Temple Architecture |
| Q16 | Hallisalasya painting (Bagh Caves) — A joyous folk dance | Cave Paintings |
| Q17 | Place-value system — Mankani plates (AD 595-596) Gujarat; 9th century inscriptions | Ancient Indian Mathematics |
Modern History — Freedom Struggle (7 Qs)
| Q. No | Topic | Chapter |
|---|---|---|
| Q6 | Forward Bloc formation 1939 — Subhas Chandra Bose; reasons | Revolutionary & Left-Wing Movements |
| Q7 | British policy in Awadh post-1856 annexation — taluqdars, Summary Revenue Settlement | Annexation Policy / Causes of 1857 |
| Q8 | Montague-Chelmsford Reforms 1919 — Separate Electorates & community politics | Constitutional Development |
| Q12 | Hilton-Young Commission 1926 — Rupee-Sterling exchange rate | Economic Policies (Colonial) |
| Q19 | Eka Movement vs Bardoli Satyagraha | Peasant Movements (1920s) |
| Q27 | Moidams of Tai-Ahom — UNESCO World Heritage; burial mounds of royals | Medieval History / Ahom Kingdom |
Geography (Indian + World)
7 questions — drainage systems, climate, and UNESCO geoparks. Map-based & boundary questions made a return.
| Q. No | Topic | Chapter |
|---|---|---|
| Q21 | Tungurahua Volcano — UNESCO Geopark 2025 (Ecuador) | Medieval History / Ahom Kingdom |
| Q23 | Climate of Andaman & Nicobar Islands — tropical, both monsoons | Indian Climatology |
| Q24 | Peninsular Block features — Velikonda/Mahendragiri hills | Indian Physiography |
| Q29 | Lake Turkana — largest desert lake, Kenya, Jade Sea | World Lakes & UNESCO |
| Q35 | River identification — antecedent drainage, 3 countries, Tibet origin, no distributaries → Sutlej | Indian Drainage System |
| Q36 | Indian States borders — UP shares most boundaries; Rajasthan longest international border; Sikkim's neighbours | Political Geography |
Environment & Ecology
10 questions — protected areas, biodiversity, and 2024–25 climate conventions. Foxtail Orchid and Madhav Tiger Reserve were the toughest current-affairs picks.
| Q. No | Topic | Chapter |
|---|---|---|
| Q22 | Madhav National Park (MP) — Tiger Reserve 2025; Sakhya Sagar Ramsar Site | Protected Areas |
| Q26 | Rhynchostylis retusa (Foxtail Orchid) — State flower of Arunachal & Assam | Endemic Flora |
| Q28 | UN Ocean Conference 2025 France — FAO "Blue Transformation" Four Betters | International Environmental Conferences |
| Q30 | First Plan Vivo certified REDD+ project in India — Khasi Hills Community | Forest Conservation |
| Q31 | India's Climate Change response — LT-LEDS, BUR-4 (Dec 2024), 8% GHG decrease | Climate Action |
| Q32 | Western Hoolock Gibbons — only ape in India, brachiation | Wildlife Conservation |
| Q33 | Rationale for mangrove protection — climate resilience | Coastal Ecosystems |
| Q37 | Amur Falcons at Doyang Lake, Nagaland | Migratory Birds |
| Q70 | Green Hydrogen — electrolysis with renewables, National Mission | Renewable Energy |
| Q72 | Drone Swarms — Terahertz band, GPS spoofing | Defence Tech / Environment overlap |
Economy & Finance
19 questions — sharply contemporary. Fintech, sustainable finance and critical minerals featured prominently, while macroeconomic concepts like crowding-out and inflation indices tested fundamentals.
| Q. No | Topic | Chapter |
|---|---|---|
| Q25 | Sagarmala Programme & Sagarmala 2.0 — Viksit Bharat 2047 | Infrastructure |
| Q38 | Rainfed Area Development (RAD) under NMSA — Integrated Farming Systems | Agriculture Schemes |
| Q39 | Oeko-Tex certification for Eri Silk — global textile standards | Trade & Exports |
| Q51 | Blockchain features — consortium blockchain, immutability | Digital Economy |
| Q52 | Dropshipping e-commerce model | E-commerce Models |
| Q53 | Financial Inclusion Index (FI-Index) RBI — Access, Usage, Quality | RBI / Financial Inclusion |
| Q54 | ONDC — Open Network for Digital Commerce | Digital Economy |
| Q55 | UPI vs Digital Rupee differences | Payment Systems |
| Q56 | RWA Tokenization — blockchain, 24×7 access | FinTech |
| Q57 | Sustainability Bond — environmental + social projects | Sustainable Finance |
| Q58 | M1xchange — MSME invoice discounting (Bills of Exchange) | MSME Financing |
| Q59 | Crowding Out Effect — Govt borrowing → higher interest rates | Fiscal Policy |
| Q60 | Rare Earth Elements & Critical Minerals — NCMM 2025 | Strategic Minerals |
| Q61 | Aviation insurance — Hull Insurance, Montreal Convention 1999 | Insurance Sector |
| Q62 | Crowdfunding for SMEs | Alternative Finance |
| Q63 | Committees — Malhotra (Insurance), L.C. Gupta (Derivatives), Urjit Patel (Housing), Y.H. Malegam (Microfinance) | Reforms / RBI Committees |
| Q64 | NBFCs — RBI registration, no demand deposits, no DICGC | Financial Institutions |
| Q65 | Multidimensional Poverty Index (MPI) — Alkire-Foster, NITI Aayog 12 indicators | Poverty & Development |
Polity & Governance
9 questions — a balanced mix of constitutional provisions, new criminal codes (BNSS 2023) and local-governance schemes.
| Q. No | Topic | Chapter |
|---|---|---|
| Q79 | Article 13 — meaning of "law"; includes ordinances, custom | Fundamental Rights |
| Q80 | Constitution of India — naming, repeal of GoI Act 1935, 26 January 1950 commencement | Constitutional Provisions |
| Q81 | Rights of Persons with Disabilities Act 2018, Sugamya Bharat Abhiyan, NDFDC | Social Justice |
| Q82 | SC/ST provisions — Sixth Schedule (Assam/Meghalaya/Tripura/Mizoram), Income Tax exemption, Panchayat reservation | Constitution & Tribal Provisions |
| Q83 | Parliament Questions — Starred vs Unstarred | Parliamentary Procedure |
| Q84 | Committee on Welfare of SCs and STs — Chairperson, members composition | Parliamentary Committees |
| Q87 | Zero FIR under BNSS 2023 | Criminal Law Reforms |
| Q88 | CEIB, SFIO, CBI — controlling ministries | Investigation Agencies |
| Q99 | Revamped Rashtriya Gram Swaraj Abhiyan (RGSA) — 1 April 2021 to 31 March 2026 | PRI Schemes |
Science & Technology
14 questions — semiconductors, AI, biotech and India-specific R&D missions formed the core. The DHRUV64 chip and Bharat Forecast System were standout current-affairs picks.
| Q.No | Topic | Chapter |
|---|---|---|
| Q44 | DHRUV64 chip — DIR-V Programme; India's first 64-bit dual-core 1.0 GHz | Semiconductors |
| Q45 | IS 19445:2025 — bomb disposal standard (BIS) | Defence Standards |
| Q46 | Nobel Prize 2025 winner (UK-born, US professor) — John Clarke (Physics) | International Awards |
| Q48 | Semiconductor plants — CG Power-Renesas/STARS in Gujarat (Sanand), Tata Assam, HCL-Foxconn UP (not MP), SicSem Odisha | Electronics |
| Q49 | Bharat Forecast System — IIT-M (not Delhi); Panchayat-cluster level | Weather Tech |
| Q66 | Genetic Medicine — corrects faulty genes, lipid nanoparticles | Biotechnology |
| Q67 | Large Language Models (LLMs) — probability-based, not unbiased | Artificial Intelligence |
| Q68 | Stealth technology — RAM coating, metamaterials | Defence Tech |
| Q69 | Aircraft Black Boxes — orange (not red), titanium/stainless steel memory | Aviation Tech |
| Q71 | Private space entities — IN-SPACe, Agnikul Cosmos (3D-printed engine) | Space Sector |
| Q73 | GenomeIndia Project — DBT-funded, Indian genetic diversity | Biotechnology |
| Q74 | National Quantum Mission — 50-100 qubits, 4 T-Hubs | Quantum Tech |
| Q75 | Deep Ocean Mission — MoES (not Ports), Matsya-6000, Samudrayaan | Ocean Sciences |
| Q85 | Mission Sudarshan Chakra — air defence, BMD, by 2035 | Defence Strategy |
| Q93 | Indian defence hardware — Su-30 MKI, T-90 MK-III, Akula Class (Russia, not India) | Defence Procurement |
International Relations
12 questions — multilateralism, UN agencies, BIMSTEC and India’s development diplomacy in the neighbourhood dominated.
| Q. No | Topic | Chapter |
|---|---|---|
| Q34 | Vizhinjam International Seaport — Kerala, deep draft, reduces trans-shipment dependence | India's Maritime Strategy |
| Q40 | Strait of Hormuz — Bahrain, Qatar must cross | Strategic Chokepoints |
| Q41 | INTERPOL Notices — Silver/Blue/Black/Green matching | International Police Cooperation |
| Q42 | NIRANTAR platform — MoEFCC verticals | Environmental Governance |
| Q43 | German Chancellor visit January 2026 — MoUs (AIIA-Hamburg, Hockey, Indo-Pacific) | Bilateral Relations |
| Q89 | International Conventions not ratified by India — Migrant Workers, Refugees, Statelessness | International Treaties |
| Q90 | AI Impact Summit 2026 New Delhi — Sutras (People, Planning, Progress); 7 Chakras Pillars | AI Diplomacy |
| Q91 | ASEAN connectivity — Kaladan, IMT Trilateral Highway (NOT Agartala-Akhaura) | India-ASEAN |
| Q92 | India-supported projects — Mangdechhu (Bhutan), Stor Palace (Afghanistan), Dickoya (Sri Lanka), Maldives | Neighbourhood First |
| Q94 | Multilateral platforms — Colombo Process, Abu Dhabi Dialogue, GFMD | Migration Governance |
| Q95 | UN Agencies awarded Nobel twice — UNHCR (1954, 1981), WFP (2020) — total 2 | UN Bodies |
| Q96 | UN Peacekeeping Operations matching — UNMIL, MINURCAT, MINUSTAH, UNMISET | UN Peacekeeping |
| Q97 | BIMSTEC Centres — NOIDA, Bengaluru, Colombo, Thimphu | BIMSTEC |
| Q100 | EU Member states — Poland, Germany (Belarus & Switzerland not EU) | European Union |
ETHICS / CASE STUDY - 3 Questions
| Q.No | Topic | Chapter |
|---|---|---|
| Q76 | Public Administration — Vaccine quality scandal → Accountability | Ethics in Public Service |
| Q77 | Conflict Resolution — tribal-urban waste site dispute → multi-stakeholder dialogue, cultural sensitivity, ESIA | Ethics / Governance |
| Q78 | Confidentiality vs Transparency — contractor info dilemma → "limited disclosure" to oversight committee | Ethical Dilemmas |
MISCELLANEOUS - 7 Questions
| Q.No | Topic |
|---|---|
| Q47 | Grand Slam Tennis governance (only Q3 about Wild Cards is correct) |
| Q50 | Film 'Boom' — BAFTA Children's & Family Film; directed by Lakshmipriya Devi |
| Q86 | Border river bridges — Maitri Setu (Feni-Bangladesh), Jhulaghat (NOT Myanmar), Mechi (Nepal) |
| Q98 | Indian Army Corps HQs — 3 Corps Dimapur, 4 Corps Tezpur, 14 Corps Leh, 33 Corps Sukna (NOT Srinagar) |
UPSC Prelims 2026 — Key Patterns & Trends Analysis
A comprehensive breakdown of question patterns, difficulty level, current affairs integration, and emerging preparation trends observed in the UPSC Prelims 2026 examination.
Question-Type Distribution
- Statement-based “Which is correct” — ~55 questions
- Match the Following — 6 questions
- Pair Matching — Multiple questions
- Direct Factual — Static + current affairs
- Assertion-Reason — Conceptual approach
- Ethics / Case Study — Newly introduced
Difficulty Level Assessment
- Easy: Static NCERT-based direct questions
- Moderate: Concept + elimination technique required
- Tough: Multi-statement and niche current affairs
Current Affairs Integration
- More than 45+ questions linked directly or indirectly to current affairs.
- Heavy focus on AI, semiconductors, governance, climate, diplomacy and finance.
- Government schemes, summits, standards, treaties and missions played a major role.
Major Pattern Shifts
- Ancient History gained very high weightage
- Economy became highly conceptual
- Science & Tech questions increased
- IR and global governance became dominant
- Ethics-style analytical questions introduced
- Polity integrated with recent reforms
Top 10 Most Challenging Questions
| Q.No | Why It Was Challenging |
|---|---|
| Q3 | Ancient-modern river pairing requiring deep Vedic geography knowledge |
| Q9 | Niche Indian classical music question |
| Q17 | Epigraphy-based chronology |
| Q22 | Current affairs + geography integration |
| Q26 | State flower factual trap |
| Q44 | Semiconductor specification-based question |
| Q53 | FI-Index conceptual dimensions |
| Q60 | Rare earth and mining distribution |
| Q63 | Committee matching complexity |
| Q92 | Neighbourhood projects mapping |
AP/Telangana-Relevant Questions
- Q4 — Amaravati Stupa
- Q5 — Sangam Tamilakam
- Q24 — Velikonda Hills
- Q17 — Aryabhata & Brahmagupta
Preparation Strategy Takeaways
- Focus deeply on Art & Culture micro-topics
- Prepare 2024–2026 current affairs comprehensively
- Improve Economy conceptual clarity
- Strengthen AI, Quantum & Semiconductor coverage
- Study UN bodies and diplomacy thoroughly
- Practice elimination-based MCQ solving
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